Below, we cover the features of Shimano's previous generation 11-speed groupsets, Dura-Ace Di2 R9150/9170, Dura-Ace R9100/9120, Ultegra Di2 R8050, Ultegra R8000 and 105 R7000.

Use this calculator to determine the optimal crank length for your bicycle based on your inseam measurement, riding style, and bike type. Enter your inseam measurement in centimeters or inches.

Chinese-produced drama film “Stand by Me” held on to top spot at the mainland China box office. Dreamworks Animation’s “The Wild Robot” enjoyed a modest third-place debut. After an ...

A few weeks ago, just after Robert Kennedy Jr.’s endorsement of Donald Trump, Matt Yglesias wrote an essay on what he called “the crank realignment” — the recent migration of a lot of ...